Home / 1,859,636.64-2,783,085.32-1,291,658.16

Finding the Fourth Proportional to 1,859,636.64, 2,783,085.32 and 1,291,658.16

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Solution

The fourth proportional to 1,859,636.64, 2,783,085.32 and 1,291,658.16 is: 1,933,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,636.64 : 2,783,085.32 = 1,291,658.16 : x
  2. Step 2: Convert to fraction form
    1,859,636.64/2,783,085.32 = 1,291,658.16/x
  3. Step 3: Cross multiply
    1,859,636.64x = 2,783,085.32 × 1,291,658.16
  4. Step 4: Simplify right side
    1,859,636.64x = 3,594,794,866,783.36
  5. Step 5: Solve for x
    x = 3,594,794,866,783.36/1,859,636.64
  6. Step 6: Final answer
    x = 1,933,063.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.